Is sudoku more than just a puzzle? asks Marcus Du Sautoy | Daily Mail Online
8. A very simple solution to a very difficult Sudoku ("Everest" by Arto Inkala) - YouTube
The world's hardest sudoku - solved | Newspapers | The Guardian
Problem solved... sort of: Mathematicians come up with formula to complete every Sudoku (but trying to understand it could take even longer than doing the puzzle) | Daily Mail Online
Can You Solve the Hardest-Ever Sudoku? - ABC News
It took three months to create, so how long will it take to crack ...the world's hardest Sudoku? | Daily Mail Online
In 2012, Finnish mathematician Arto Inkala claimed to have created the "World's Hardest Sudoku". - 9GAG
Mathematician Arto Inkala creates world's hardest Sudoku, 'Everest' | Metro News
Cfkouuy TrainsAredelayed - Sudoku Puzzle from mathematician Dr Arto Inkala, he says it's the hardest possible puzzle, giving it a rating at level 11 difficulty, assuming the average newspaper sudoku is level
Arto Inkala : Maailman vaikein sudoku ja 166 selvästi helpompaa
The hardest Sudoku puzzle: Escargot by Arto Inkala - 9GAG
World's hardest sudoku: Can you solve Dr Arto Inkala's puzzle? - Mirror Online
Trying out an “expert” puzzle for the first time and I didn't get very far. The hint was to assume R6C2 to be 5 and then the next hint was to assume R7C8 to be 1. Does anybody know the logic in arriving at these hints? Thank you very much : r/sudoku
Arto Inkala teki maailman vaikeimman sudokun? - Kotimaa - Ilta-Sanomat
It took three months to create, so how long will it take to crack ...the world's hardest Sudoku? | Daily Mail Online
AI Escargot - The Most Difficult Sudoku Puzzle: Inkala, Arto: 9781847534514: Amazon.com: Books
Auspac Media - Fancy yourself as a Sudoku genius? Finnish mathematician Arto Inkala spent 3 months designing a Sudoku grid with only one solution. Inkala has warned any potential challengers only the
Figure 10 from An evolutionary approach to sudoku puzzles with filtered mutations | Semantic Scholar
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World's Hardest Sudoku Cross Stitch PDF Pattern | The Needle & Floss
AI Escargot - The Most Difficult Sudoku Puzzle (Paperback) - Walmart.com
